Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-11-2024 15:41

General

  • Target

    de07b53ebefb0b2f51f956664de486a9a078a6997c0508e6b9eb41d7c4c265f1.exe

  • Size

    538KB

  • MD5

    2a26d4514305fcb4bc2af3deb844b68d

  • SHA1

    68880c892211548fb691876960683fa90a4173de

  • SHA256

    de07b53ebefb0b2f51f956664de486a9a078a6997c0508e6b9eb41d7c4c265f1

  • SHA512

    8430b12fa09d691e60ebf51168e95fcd16ec750e43e293b5bf45569ceac3e665e1354e0aeb8742e59769bd9a1ca494f2f9ef83d3224d9e54d3b9ca3fb3a2eb0f

  • SSDEEP

    12288:thrO5q5qRbfdltGbr6IaRP+Tu+zLC54MV9:QqgRbdyxaRPWzLCe89

Malware Config

Extracted

Family

njrat

Version

0.7NC

Botnet

NYAN CAT

C2

ronymahmoud.casacam.net:5050

Mutex

8f1e01fb78d64f28

Attributes
  • reg_key

    8f1e01fb78d64f28

  • splitter

    @!#&^%$

Signatures

  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 22 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\de07b53ebefb0b2f51f956664de486a9a078a6997c0508e6b9eb41d7c4c265f1.exe
    "C:\Users\Admin\AppData\Local\Temp\de07b53ebefb0b2f51f956664de486a9a078a6997c0508e6b9eb41d7c4c265f1.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3096
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\de07b53ebefb0b2f51f956664de486a9a078a6997c0508e6b9eb41d7c4c265f1.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4368
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\oJFNpRAYB.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4920
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oJFNpRAYB" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC06D.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2440
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:2212
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:1140

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

      Filesize

      2KB

      MD5

      3d086a433708053f9bf9523e1d87a4e8

      SHA1

      b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

      SHA256

      6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

      SHA512

      931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

      Filesize

      18KB

      MD5

      d22c5ad10070fa63e9012bc2b3e9e44e

      SHA1

      09cb3bec8a5a365d11d03d31a866b448ff8f4f9f

      SHA256

      7f74f3d98e4fe9f21e03a2db0c826a52958d4c4d6a687bb98c2abd2f6b926dfd

      SHA512

      183b0561fdf7dce11804535a14606ce1893b04f81058f045cddabfdb2ee416e1b1f5414cd8222b4e1076f362ead29b9566a88401e3d584bf4e9a1dd123b61af5

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_redrj11x.h1n.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmpC06D.tmp

      Filesize

      1KB

      MD5

      54689184dfdf5faaa6e45a2505496e59

      SHA1

      a64e3adabb1a4e52cedd38b0be1b64140b460b6c

      SHA256

      3c7c501a07897b7fd2d3cd76c468ec5f80aa8c2dc756c1aff8a1e1718933e8ab

      SHA512

      b5eb8e0c51ac57beccacf813ab04742fe3e81156ea9718d32ad98800a36682f0c68b26ed93b7fae6125055c983eaf99e3bde7c34e7880235403e7d3a1a27c040

    • memory/1140-31-0x0000000000400000-0x000000000040C000-memory.dmp

      Filesize

      48KB

    • memory/3096-11-0x00000000071D0000-0x000000000726C000-memory.dmp

      Filesize

      624KB

    • memory/3096-48-0x0000000074FB0000-0x0000000075760000-memory.dmp

      Filesize

      7.7MB

    • memory/3096-7-0x0000000006E70000-0x00000000071C4000-memory.dmp

      Filesize

      3.3MB

    • memory/3096-8-0x0000000074FBE000-0x0000000074FBF000-memory.dmp

      Filesize

      4KB

    • memory/3096-9-0x0000000074FB0000-0x0000000075760000-memory.dmp

      Filesize

      7.7MB

    • memory/3096-10-0x0000000007290000-0x00000000072E0000-memory.dmp

      Filesize

      320KB

    • memory/3096-0-0x0000000074FBE000-0x0000000074FBF000-memory.dmp

      Filesize

      4KB

    • memory/3096-1-0x0000000000B00000-0x0000000000B8C000-memory.dmp

      Filesize

      560KB

    • memory/3096-2-0x0000000005A50000-0x0000000005FF4000-memory.dmp

      Filesize

      5.6MB

    • memory/3096-6-0x0000000005800000-0x0000000005810000-memory.dmp

      Filesize

      64KB

    • memory/3096-3-0x0000000005580000-0x0000000005612000-memory.dmp

      Filesize

      584KB

    • memory/3096-5-0x0000000074FB0000-0x0000000075760000-memory.dmp

      Filesize

      7.7MB

    • memory/3096-4-0x0000000005720000-0x000000000572A000-memory.dmp

      Filesize

      40KB

    • memory/4368-18-0x0000000005700000-0x0000000005D28000-memory.dmp

      Filesize

      6.2MB

    • memory/4368-24-0x0000000005EA0000-0x0000000005F06000-memory.dmp

      Filesize

      408KB

    • memory/4368-25-0x0000000005F10000-0x0000000005F76000-memory.dmp

      Filesize

      408KB

    • memory/4368-16-0x0000000004FB0000-0x0000000004FE6000-memory.dmp

      Filesize

      216KB

    • memory/4368-77-0x0000000007B30000-0x0000000007BC6000-memory.dmp

      Filesize

      600KB

    • memory/4368-32-0x0000000074FB0000-0x0000000075760000-memory.dmp

      Filesize

      7.7MB

    • memory/4368-89-0x0000000074FB0000-0x0000000075760000-memory.dmp

      Filesize

      7.7MB

    • memory/4368-17-0x0000000074FB0000-0x0000000075760000-memory.dmp

      Filesize

      7.7MB

    • memory/4368-19-0x0000000074FB0000-0x0000000075760000-memory.dmp

      Filesize

      7.7MB

    • memory/4368-82-0x0000000007BD0000-0x0000000007BD8000-memory.dmp

      Filesize

      32KB

    • memory/4368-80-0x0000000007AF0000-0x0000000007B04000-memory.dmp

      Filesize

      80KB

    • memory/4368-51-0x0000000007560000-0x0000000007592000-memory.dmp

      Filesize

      200KB

    • memory/4368-53-0x0000000075840000-0x000000007588C000-memory.dmp

      Filesize

      304KB

    • memory/4368-78-0x0000000007AB0000-0x0000000007AC1000-memory.dmp

      Filesize

      68KB

    • memory/4368-22-0x00000000056C0000-0x00000000056E2000-memory.dmp

      Filesize

      136KB

    • memory/4368-73-0x00000000075A0000-0x0000000007643000-memory.dmp

      Filesize

      652KB

    • memory/4920-52-0x0000000075840000-0x000000007588C000-memory.dmp

      Filesize

      304KB

    • memory/4920-75-0x0000000006FD0000-0x0000000006FEA000-memory.dmp

      Filesize

      104KB

    • memory/4920-76-0x0000000007040000-0x000000000704A000-memory.dmp

      Filesize

      40KB

    • memory/4920-74-0x0000000007610000-0x0000000007C8A000-memory.dmp

      Filesize

      6.5MB

    • memory/4920-68-0x0000000006270000-0x000000000628E000-memory.dmp

      Filesize

      120KB

    • memory/4920-79-0x0000000007200000-0x000000000720E000-memory.dmp

      Filesize

      56KB

    • memory/4920-50-0x0000000005D30000-0x0000000005D7C000-memory.dmp

      Filesize

      304KB

    • memory/4920-81-0x0000000007310000-0x000000000732A000-memory.dmp

      Filesize

      104KB

    • memory/4920-49-0x00000000057A0000-0x00000000057BE000-memory.dmp

      Filesize

      120KB

    • memory/4920-47-0x0000000074FB0000-0x0000000075760000-memory.dmp

      Filesize

      7.7MB

    • memory/4920-21-0x0000000074FB0000-0x0000000075760000-memory.dmp

      Filesize

      7.7MB

    • memory/4920-88-0x0000000074FB0000-0x0000000075760000-memory.dmp

      Filesize

      7.7MB

    • memory/4920-23-0x0000000074FB0000-0x0000000075760000-memory.dmp

      Filesize

      7.7MB